<?php

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

declare(strict_types=1);

namespace Elastic\Apm\Impl\Util;

/**
 * Code in this file is part of implementation internals and thus it is not covered by the backward compatibility.
 *
 * @internal
 */
final class Assert
{
    use StaticClassTrait;

    /** @var int */
    private static $maxEnabledLevel = AssertLevel::O_1;

    public static function configure(int $maxEnabledLevel): void
    {
        self::$maxEnabledLevel = $maxEnabledLevel;
    }

    public static function ifEnabled(): ?EnabledAssertProxy
    {
        return self::ifEnabledLevel(AssertLevel::O_1);
    }

    private static function ifEnabledLevel(int $statementLevel): ?EnabledAssertProxy
    {
        return (self::$maxEnabledLevel >= $statementLevel) ? new EnabledAssertProxy() : null;
    }
}